Monreale weather in May

In May, Monreale sees average daytime highs of 23°C and overnight lows near 14°C, with 37 mm of rain across 6.2 wet days and about 14 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 56% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Monreale's 5th-clearest and 7th-windiest month. For the whole year in context, see Monreale's year-round climate.

Daytime high
23°
6th warmest
Overnight low
14°
7th coldest
Rainfall
37 mm
6.2 wet days
Daylight
14 h 06 min
5:01 AM – 7:05 PM
Cloud cover
38%
5th clearest
Wind
8 km/h
7th windiest
Solar energy
6.88 kWh/m²
Travel score
7.7
out of 10

Monreale is chief town of the homonym municipality.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical May day in Monreale reaches about 23°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, May runs about 4°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12112
22113
32113
42113
52113
62113
72113
82213
92213
102214
112214
122214
132214
142214
152314
162314
172314
182314
192315
202315
212315
222315
232415
242415
252415
262416
272416
282416
292416
302516
312516

Monreale weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 6510.39.73.7
Feb13° / 6810.310.53.7
Mar16° / 6410.511.74.9
Apr18° / 10°619.6136.2
May23° / 14°376.2147.7
Jun27° / 18°163.614.67.9
Jul30° / 21°61.614.46.8
Aug30° / 22°203.413.56.2
Sep27° / 19°618.812.37.0
Oct23° / 15°819.8117.1
Nov18° / 12°6410.39.95.9
Dec14° / 6711.39.44.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36733
46832
56931
66931
77030
87129
97129
107129
117129
127129
137129
147129
157228
167228
177228
187327
197327
207426
217426
227426
237624
247624
257624
267723
277723
287723
297723
307822
317822

Chance of precipitation in May

Any precipitation

Monreale gets around 37 mm of rain over 6.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
327
426
525
625
724
823
922
1022
1121
1220
1320
1420
1520
1620
1720
1820
1919
2019
2119
2219
2318
2418
2518
2618
2718
2818
2918
3018
3117

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
186140
285150
384160
483170
583170
682180
781190
880200
979201
1078211
1177221
1276231
1375232
1474242
1573252
1671263
1771263
1869274
1968284
2066295
2165296
2264306
2362317
2460328
2559338
2658339
27563410
28553510
29533611
30513712
31493813

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:17 AM to 4:52 AM, and sunset from 6:51 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:176:51
213.65:166:52
313.65:156:53
413.75:146:54
513.75:136:55
613.75:116:56
713.85:106:56
813.85:096:57
913.85:086:58
1013.95:076:59
1113.95:067:00
1213.95:057:01
1314.05:047:02
1414.05:037:03
1514.05:027:04
1614.15:017:05
1714.15:017:06
1814.15:007:06
1914.14:597:07
2014.24:587:08
2114.24:577:09
2214.24:577:10
2314.24:567:11
2414.34:557:12
2514.34:557:12
2614.34:547:13
2714.34:547:14
2814.44:537:15
2914.44:527:15
3014.44:527:16
3114.44:527:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.88 kWh/m².

For context, solar energy here swings from a low near 2.05 kWh/m² to a high of 7.55 kWh/m² in July across the year — May's 6.88 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.6Intense
66.6Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.1Intense
277.1Intense
287.1Intense
297.1Intense
307.2Intense
317.2Intense
Planning a trip in May

Is May a good time to visit Monreale?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.7
Sightseeing
2nd-best month of the year
5.7
Beach & pool
5th-best month of the year

May is one of the better times to visit Monreale for general sightseeing.

What to pack for Monreale in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Monreale sees daytime highs around 23°C and nights near 14°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

Sea temperature near Monreale in May

The nearest coast averages about 19°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from May 28 to Nov 11 — about 5.5 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul26Warm
Aug27Warm
Sep25Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Monreale in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monreale peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateVery highHighModerateJul 16UV 10Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar6High
Apr4Moderate
May5High
Jun9Very high
Jul10Extreme
Aug8Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Monreale in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Monreale is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1715 µg/m³Dec 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb12Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun13Moderate
Jul11Good
Aug10Good
Sep11Good
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is Monreale?

Monreale sits at 38.1°N, 13.3°E, 310 m above sea level, in Italy. The nearest listed city is Palermo, 8.0 km away.

Topography around Monreale

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Monreale.

Within 3 km, the terrain around Monreale has large variations in elevation — a maximum elevation change of 793 m around an average of 329 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,315 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,963 m.

The land around Monreale is covered by trees (62%) within 3 km, grassland (34%) and trees (33%) within 16 km, and water (50%) and grassland (26%) within 80 km.

3 km
793 m
16 km
1,315 m
80 km
1,963 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Palermo 8.0 km · Carini 11 km · Villabate 13 km · Misilmeri 15 km · Partinico 16 km · Bagheria 20 km · Alcamo 31 km · Termini Imerese 37 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Monreale (38.0812°, 13.2895°, elevation 310 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).